Base | Representation |
---|---|
bin | 11011110010010000110000… |
… | …010100010010100110001011 |
3 | 121000200022201010210122202210 |
4 | 123302100300110102212023 |
5 | 112004121044323144321 |
6 | 1111522244315400203 |
7 | 34511514103451124 |
oct | 3362206024224613 |
9 | 530608633718683 |
10 | 122201220131211 |
11 | 35a34278a918a1 |
12 | 118574b9453063 |
13 | 53256aaa02730 |
14 | 22267dba9104b |
15 | e1db02c6cb76 |
hex | 6f243051298b |
122201220131211 has 32 divisors (see below), whose sum is σ = 175633013028928. Its totient is φ = 75130242232320.
The previous prime is 122201220131203. The next prime is 122201220131227. The reversal of 122201220131211 is 112131022102221.
It is not a de Polignac number, because 122201220131211 - 23 = 122201220131203 is a prime.
It is not an unprimeable number, because it can be changed into a prime (122201220131311) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 185194791 + ... + 185853471.
It is an arithmetic number, because the mean of its divisors is an integer number (5488531657154).
Almost surely, 2122201220131211 is an apocalyptic number.
122201220131211 is a deficient number, since it is larger than the sum of its proper divisors (53431792897717).
122201220131211 is a wasteful number, since it uses less digits than its factorization.
122201220131211 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 663151.
The product of its (nonzero) digits is 192, while the sum is 21.
Adding to 122201220131211 its reverse (112131022102221), we get a palindrome (234332242233432).
The spelling of 122201220131211 in words is "one hundred twenty-two trillion, two hundred one billion, two hundred twenty million, one hundred thirty-one thousand, two hundred eleven".
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